package duotai;
class B {
	public B (){
		func();
	}
	public void func() {
		System.out.println("B.func()");
	}
}
class D extends  B {
	private int num=1;
	public  void func( ) {
		System.out.println("D.func()"+num);
	}
}
public class test3 {
	public static void main(String[] args) {
		D d=new D();
	}
}
